Home / 71,740.56-107,587.68-26,141.76

Finding the Fourth Proportional to 71,740.56, 107,587.68 and 26,141.76

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Solution

The fourth proportional to 71,740.56, 107,587.68 and 26,141.76 is: 39,204.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,740.56 : 107,587.68 = 26,141.76 : x
  2. Step 2: Convert to fraction form
    71,740.56/107,587.68 = 26,141.76/x
  3. Step 3: Cross multiply
    71,740.56x = 107,587.68 × 26,141.76
  4. Step 4: Simplify right side
    71,740.56x = 2,812,531,309.52
  5. Step 5: Solve for x
    x = 2,812,531,309.52/71,740.56
  6. Step 6: Final answer
    x = 39,204.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.